Bicycle frame



FIG. 1 is a top, front, left perspective view of a bicycle frame showing our new design;

FIG. 2 is a top, rear, right perspective view thereof;

FIG. 3 is a top, rear, left perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a top view thereof;

FIG. 9 is a bottom view thereof;

FIG. 10 is an enlarged view of the delineated portion 10 in FIG. 2 ;

FIG. 11 is an enlarged view of the delineated portion 11 in FIG. 3 ;

FIG. 12 is a top, front, left perspective view of a bicycle frame showing our new design of FIGS. 1-11 with a bicycle shwon as exemplary environment;

FIG. 13 is a top, rear, right perspective view thereof;

FIG. 14 is a top, rear, left perspective view thereof;

FIG. 15 is a front view thereof;

FIG. 16 is a rear view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a left side view thereof;

FIG. 19 is a top view thereof;

FIG. 20 is a bottom view thereof;

FIG. 21 is an enlarged view of the delineated portion 21 in FIG. 13 ; and,

FIG. 22 is an enlarged view of the delineated portion 22 in FIG. 14 .

The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the bicycle frame form no part of the claimed design. 

CLAIM The ornamental design for a bicycle frame, as shown and described. 